120027261906189 has 24 divisors (see below), whose sum is σ = 192234422456544. Its totient is φ = 71551273860000.

The previous prime is 120027261906187. The next prime is 120027261906197. The reversal of 120027261906189 is 981609162720021.

It is a happy number.

120027261906189 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 2 + 7 + 2 + 6 + 19 + 0 + 618 + 9 = 666.

It is not a de Polignac number, because 120027261906189 - 2¹ = 120027261906187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120027261906187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9937670887 + ... + 9937682964.

It is an arithmetic number, because the mean of its divisors is an integer number (8009767602356).

Almost surely, 2^{120027261906189} is an apocalyptic number.

It is an amenable number.

120027261906189 is a deficient number, since it is larger than the sum of its proper divisors (72207160550355).

120027261906189 is a wasteful number, since it uses less digits than its factorization.

120027261906189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19875353929 (or 19875353926 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 120027261906189 in words is "one hundred twenty trillion, twenty-seven billion, two hundred sixty-one million, nine hundred six thousand, one hundred eighty-nine".